Sitefinity Field Migration Tool

Index.cshtml

@if (ViewBag.IsUserInRole)
{
    <section class="container">
        <div class="row" style="margin: 30px">
            <div>
                <h3>Migration Service</h3>
            </div>
            <br>
            <div class="col-12 form-group">
                <label>Service:</label>
                <input name="methodName" type="text" id="methodName" placeholder="Migration Method Name">
            </div>
            <br>
            <button type="button" id="w-btn-start" onclick="Run();">Run</button>
        </div>
        <div class="row" style="margin: 30px">
            <div>
                <p id="messageResult"></p>
            </div>
        </div>
    </section>

    <script>
        function Run() {
            $('#w-btn-start').attr('disabled', true);

            $.post('@Url.Action("Process")', {
                methodName: $('input[name=methodName]').val()
            }).done(function (data) {
                $('#w-btn-start').attr('disabled', false);
                $('#messageResult').html(data.message);
            }).fail(function (xhr, param) {
                console.log(xhr);
                console.log(param);
            });
        }
    </script>
}

MigrationController.cs

[ControllerToolboxItem(Name = "MigrationController", Title = "Migration Service", SectionName = "Custom Widgets")]
public class MigrationController : Controller
{
    private static string ADMIN_ROLE = "Administrators";

    public ActionResult Index()
    {
        var identity = ClaimsManager.GetCurrentIdentity();
        var roleManagerApp = RoleManager.GetManager("AppRoles");
        ViewBag.IsUserInRole = roleManagerApp.IsUserInRole(identity.UserId, ADMIN_ROLE);

        return View();
    }

    [HttpPost]
    public JsonResult Process(string methodName)
    {
        var message = string.Empty;

        try
        {
            var service = new MigrationService();
            var method = service.GetType().GetMethod(methodName);
            message = (string)method.Invoke(service, null);
            Log.Write(message, ConfigurationPolicy.Trace);
        }
        catch (Exception ex)
        {
            message = methodName + " is an inappropriate method name.";
            Log.Write(ex.Message, ConfigurationPolicy.ErrorLog);
            Log.Write(message, ConfigurationPolicy.ErrorLog);
        }

        return Json(new { success = true, message = message });
    }
}

MigrationService.cs

public class MigrationService
{
    public static string RunEventMigration()
    {
        var message = "<Migration Message Header> <br/>";
        var counter = 0;

        try
        {
            var dynamicModule = new DynamicModuleManager(string.Empty, "<MigrationName>");
            var eventType = TypeResolutionService.ResolveType("Telerik.Sitefinity.DynamicTypes.Model.<Module>.<ContentType>");
            var eventsDynamicContents = dynamicModule
                .GetDataItems(eventType)
                .Where(p => p.Status != ContentLifecycleStatus.Deleted); // Get all except the deleted one

            var tempEvent = eventsDynamicContents.FirstOrDefault();

            if (tempEvent == null || !tempEvent.DoesFieldExist("PostalCodes"))
                return "Please setup PostalCodes-ShortText at Event module builder.";

            dynamicModule.Provider.SuppressSecurityChecks = true;

            foreach (var item in eventsDynamicContents)
            {
                // Only update when PostalCodes has never insert value
                var postalCodes = item.GetValue("PostalCodes")?.ToString();
                var postalCodeOld = item.GetValue("PostalCode")?.ToString();
                if (string.IsNullOrEmpty(postalCodes) && !string.IsNullOrEmpty(postalCodeOld))
                {
                    var title = item.GetValue("Title")?.ToString();
                    item.SetValue("PostalCodes", postalCodeOld);
                    TransactionManager.CommitTransaction(dynamicModule.TransactionName);

                    message += title + " Migrated.<br/>";
                    counter++;
                }
            }

            dynamicModule.Provider.SuppressSecurityChecks = false;
        }
        catch (Exception ex)
        {
            message += ex.Message;
            Log.Write(ex, ConfigurationPolicy.ErrorLog);
        }

        message += "<br/>Total PostalCodes migrate: " + counter.ToString();

        return message;
    }
}